CVE-2017-20233mediumCWE-284

CVE-2017-20233: medium-severity vulnerability in Belden Hirschmann HiLCOS BAT867

Hirschmann HiLCOS Layer-2 Firewall Multicast Broadcast Traffic Bypass

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 5.3epss 0.2%
Hirschmann HiLCOS products OpenBAT, BAT450, WLC, BAT867 contains a firewall filtering vulnerability that fails to correctly filter IPv4 multicast and broadcast traffic when management IP address filtering is disabled, allowing configured filter rules to be bypassed. Attackers with network access can inject or observe multicast and broadcast packets that should have been blocked by the firewall.
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Affected products
Belden · Hirschmann HiLCOS BAT867Belden · Hirschmann HiLCOS OpenBAT, BAT450, WLC